200955555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 389188800

約数和(自身を除く): 188233245

約数列:

[1, 3, 5, 9, 15, 17, 41, 43, 45, 51, 85, 123, 129, 149, 153, 205, 215, 255, 369, 387, 447, 615, 645, 697, 731, 745, 765, 1341, 1763, 1845, 1935, 2091, 2193, 2235, 2533, 3485, 3655, 5289, 6109, 6273, 6407, 6579, 6705, 7599, 8815, 10455, 10965, 12665, 15867, 18327, 19221, 22797, 26445, 29971, 30545, 31365, 32035, 32895, 37995, 54981, 57663, 79335, 89913, 91635, 96105, 103853, 108919, 113985, 149855, 262687, 269739, 274905, 288315, 311559, 326757, 449565, 519265, 544595, 788061, 934677, 980271, 1313435, 1348695, 1557795, 1633785, 2364183, 3940305, 4465679, 4673385, 4901355, 11820915, 13397037, 22328395, 40191111, 66985185, 200955555]

約数ペア:

[(1, 200955555), (3, 66985185), (5, 40191111), (9, 22328395), (15, 13397037), (17, 11820915), (41, 4901355), (43, 4673385), (45, 4465679), (51, 3940305), (85, 2364183), (123, 1633785), (129, 1557795), (149, 1348695), (153, 1313435), (205, 980271), (215, 934677), (255, 788061), (369, 544595), (387, 519265), (447, 449565), (615, 326757), (645, 311559), (697, 288315), (731, 274905), (745, 269739), (765, 262687), (1341, 149855), (1763, 113985), (1845, 108919), (1935, 103853), (2091, 96105), (2193, 91635), (2235, 89913), (2533, 79335), (3485, 57663), (3655, 54981), (5289, 37995), (6109, 32895), (6273, 32035), (6407, 31365), (6579, 30545), (6705, 29971), (7599, 26445), (8815, 22797), (10455, 19221), (10965, 18327), (12665, 15867)]